Rn Hesi Med Surg Dosage Calculations
Rn Hesi Med Surg Dosage Calculations ( 55 Questions)
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Question 20 :
The nurse is initiating a prescription for Dextrose 2.5% in 0.45% Sodium Chloride (Ds 0.5% NS) at 45 mL/hour for a child with dehydration. The nurse attaches a volume control administration set with a micro-drip chamber to the bag of solution. How many micro-drops/minute should the nurse regulate the infusion? (Enter the numerical value only. If rounding is required, round to the nearest whole number.)
Correct Answer: ["45 micro-drops\/minute"]
To calculate the micro-drops/minute, use the formula micro-drops/minute = (mL/hour x drop factor) / 60 min. The drop factor for a micro-drip chamber is 60 drops/mL. Therefore, micro-drops/minute = (45 x 60) / 60 = 45. The nurse should regulate the infusion at 45 micro-drops/minute.